#1Jason M Williams (Crown Equipment Corp.)
Serves this area from OH
Patent Attorneys & Agents in Mercer County, OH
The top-ranked patent attorneys and agents serving Mercer County, OH are Jason M Williams (Crown Equipment Corp.), Curtis Anthony Henschen (Curtis Anthony Henschen, Attorney at Law) and James V Allen (Emerson Climate Technologies). We list 3 patent attorneys and agents serving Mercer County, OH. 3 of the providers shown match an active record from U.S. Patent and Trademark Office, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Patent Attorneys & Agents serving Mercer County, OH. 3 providers, 3 of the top 3 verified against federal or state records. Registry records checked on 2026-11-04.
Top 3 ranked patent attorneys and agents for Mercer County
| # | Provider | Verified records | Based in | Phone |
|---|---|---|---|---|
| 1 | Jason M Williams (Crown Equipment Corp.) | Registered to practice before the USPTO in patent matters#70184 | OH | (419) 629-2311 |
| 2 | Curtis Anthony Henschen (Curtis Anthony Henschen, Attorney at Law) | Registered to practice before the USPTO in patent matters#31367 | Sidney, OH (31 mi) | (937) 658-2239 |
| 3 | James V Allen (Emerson Climate Technologies) | Registered to practice before the USPTO in patent matters#73827 | Sidney, OH (31 mi) | (937) 498-3602 |
#2Curtis Anthony Henschen (Curtis Anthony Henschen, Attorney at Law)
Serves this area from Sidney, OH (31 mi)#3James V Allen (Emerson Climate Technologies)
Serves this area from Sidney, OH (31 mi)
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Frequently asked questions
How many patent attorneys and agents serve Mercer County?
We list 3 patent attorneys and agents serving Mercer County, OH: 0 based there and 3 serving it from nearby. 3 of the top 3 match an active federal or state record, checked on 2026-11-04.
Which patent attorneys and agents serve Mercer County?
The top-ranked patent attorneys and agents serving Mercer County, OH are Jason M Williams (Crown Equipment Corp.), Curtis Anthony Henschen (Curtis Anthony Henschen, Attorney at Law) and James V Allen (Emerson Climate Technologies). The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Mercer County are verified against official records?
3 of the top 3 match an active official record: Jason M Williams (Crown Equipment Corp.) (U.S. Patent and Trademark Office), Curtis Anthony Henschen (Curtis Anthony Henschen, Attorney at Law) (U.S. Patent and Trademark Office) and James V Allen (Emerson Climate Technologies) (U.S. Patent and Trademark Office). Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
What is the difference between a patent attorney and a patent agent?
Both are registered with the USPTO to prepare and prosecute patent applications. Patent attorneys are also licensed lawyers and can handle litigation and other legal matters; agents cannot.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .
Communities served
Celina, Coldwater, St. Henry, Fort Recovery, Maria Stein, Rockford, Mendon, Chickasaw, Burkettsville, Montezuma